. >> america's challenge of today, forging man's destiny, up a pile. >>neil: you look at the moon. you were the last human being to touch that surface. how does that make you feel? >>guest: humble. i don't look at the moon and say, what a great guy you are, i do it when you ask. >> we live. we came. god willing, we will return. this is for all mankind. godspeed, the crew of apollo 17. >> i am convinced the pace program will come back. >> the country needs something to look forward to, to be proud of. what can we do in 10,000 years? i grandmother in a farm in michigan had a ring telephone negotiation electricity, an outhours and she watched the first guy walk on the moon in her lifetime the i would like to see the next generation see footprints like we left i hope that happens. >>neil: in 16 years at follow, i don't think i have worked on a project i enjoyed more, or worked hearter on but the whole team behind unprecedented access to footage and interviews and material you have never seen on tv, provided to us, we had to built their trust and let them know we cared. we had to let th